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        20 Contract API jobs in Mayfair + 20 miles

        119 exact matches jobs are outside your preferred location

        QA Engineer

        Switchee Limited
        London
        £45,000 - £55,000 a year
        You may also be asked to support the testing of releases for our Client API and Mobile Application. * API testing - building out automated test coverage of our RESTful Client API * Collaborate with the external contractor QA resource on specific projects (e.g. automating API testing) and as an additional resource when required
        You may also be asked to support the testing of releases for our Client API and Mobile Application. * API testing - building out automated test coverage of our RESTful Client API * Collaborate with the external contractor QA resource on specific projects (e.g. automating API testing) and as an additional resource when required
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        Wallarm is the only solution that unifies best-in-class API Security and WAAP (Next-Gen WAF) capabilities to protect your entire API and web application portfolio in multi-cloud and cloud-native environments. * Recommend API security best practices, application architectures, platforms and application infrastructure required to successfully implement a complete API security solution based on Wallarm - Prior experience in API security, API management, SIEM, Software Development, DevOps, DevSecOps, or web application firewalls is preferred
        Wallarm is the only solution that unifies best-in-class API Security and WAAP (Next-Gen WAF) capabilities to protect your entire API and web application portfolio in multi-cloud and cloud-native environments. * Recommend API security best practices, application architectures, platforms and application infrastructure required to successfully implement a complete API security solution based on Wallarm - Prior experience in API security, API management, SIEM, Software Development, DevOps, DevSecOps, or web application firewalls is preferred
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        ClearRoute is an is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We work with technology leaders facing complex business challenges. We take as much pride in our people, culture and work-life balance as we do in making better software. Were not just making better software. Were making the making of software better. Collaborative, entrepreneurial and dedicated to problem solving, we bring the step change our customer need to sustain innovation. Our values challenge us to do the best we can for ClearRoute, our customers and most importantly our team. We want to create a collaborative team to help build ClearRoute. This is an opportunity for you to build the organisation from the ground up, use your voice to drive change and help transform organisations and problem domains. Role
        ClearRoute is an is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We work with technology leaders facing complex business challenges. We take as much pride in our people, culture and work-life balance as we do in making better software. Were not just making better software. Were making the making of software better. Collaborative, entrepreneurial and dedicated to problem solving, we bring the step change our customer need to sustain innovation. Our values challenge us to do the best we can for ClearRoute, our customers and most importantly our team. We want to create a collaborative team to help build ClearRoute. This is an opportunity for you to build the organisation from the ground up, use your voice to drive change and help transform organisations and problem domains. Role
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        Additionally, our apps and API are trusted by tens of thousands of drivers and fleets including Blue Badge innovators Motability Operations.
        Additionally, our apps and API are trusted by tens of thousands of drivers and fleets including Blue Badge innovators Motability Operations.
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        Senior Back End Developer .NET - Fintech Remote - Senior Back End Developer .NET wanted as our team is growing fast! Calling highly motivated, bright candidates who are looking for a career at an exciting award winning FinTech firm! Company: Wealth Dynamix - Role: Senior Back End Developer .NET - Location: London - Start Date: ASAP - Would you like to join one of the fastest growing FinTech firms in Europe? We are looking for an analytical self-starter with experience in Dotnet (.NET) software development. If you are passionate about digital transformation and keen to learn about delivering the market leading Client Lifecycle Managing solution to the Wealth Management industry, apply now! Who are we? * Wealth Dynamix helps to relieve the burden of client management issues for wealth management and private banking firms with innovative technology.
        Senior Back End Developer .NET - Fintech Remote - Senior Back End Developer .NET wanted as our team is growing fast! Calling highly motivated, bright candidates who are looking for a career at an exciting award winning FinTech firm! Company: Wealth Dynamix - Role: Senior Back End Developer .NET - Location: London - Start Date: ASAP - Would you like to join one of the fastest growing FinTech firms in Europe? We are looking for an analytical self-starter with experience in Dotnet (.NET) software development. If you are passionate about digital transformation and keen to learn about delivering the market leading Client Lifecycle Managing solution to the Wealth Management industry, apply now! Who are we? * Wealth Dynamix helps to relieve the burden of client management issues for wealth management and private banking firms with innovative technology.
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        We are building the first European Investment API that empowers businesses to offer seamless investment experiences to their users. We are looking for a full-time Head of Engineering to help us build a securities API for financial institutions, the first API of that kind in Europe. These teams are responsible for critical domains such as Orders, Trading Partner integrations, Position, and Wealth Management, all of which are essential for Upvests Investment API. The Brokerage Tribe plays a crucial role in the Investment API Platform, overseeing a wide range of user journey aspects. * Assume ownership of business-critical components within the Investment API, influencing its roadmap and delivering strategic impact to establish Upvest as a reliable partner. * Experience
        We are building the first European Investment API that empowers businesses to offer seamless investment experiences to their users. We are looking for a full-time Head of Engineering to help us build a securities API for financial institutions, the first API of that kind in Europe. These teams are responsible for critical domains such as Orders, Trading Partner integrations, Position, and Wealth Management, all of which are essential for Upvests Investment API. The Brokerage Tribe plays a crucial role in the Investment API Platform, overseeing a wide range of user journey aspects. * Assume ownership of business-critical components within the Investment API, influencing its roadmap and delivering strategic impact to establish Upvest as a reliable partner. * Experience
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        Mentor AI Application Engineers and other team members, guiding them on backend, API, and AI/ML integration patterns. * Strong knowledge of SaaS integrations and API development (REST, GraphQL).
        Mentor AI Application Engineers and other team members, guiding them on backend, API, and AI/ML integration patterns. * Strong knowledge of SaaS integrations and API development (REST, GraphQL).
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        Upvests Investment API is easy to integrate so that fintechs and enterprises alike can save resources and fully focus on their core business.? Were building the first European Investment API to enable any financial institution offering a wide range of efficient and transparent investment products, such as stocks and ETFs in nominal, portfolio, and fractional form. * Continuous learning: The complex yet fascinating field of investments, building an API product on a state-of-the-art tech stack, and working with the most relevant fintechs and financial institutions provide for an incredibly rewarding learning experience.
        Upvests Investment API is easy to integrate so that fintechs and enterprises alike can save resources and fully focus on their core business.? Were building the first European Investment API to enable any financial institution offering a wide range of efficient and transparent investment products, such as stocks and ETFs in nominal, portfolio, and fractional form. * Continuous learning: The complex yet fascinating field of investments, building an API product on a state-of-the-art tech stack, and working with the most relevant fintechs and financial institutions provide for an incredibly rewarding learning experience.
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        Champion the developer experience for embedded finance integrations and ensure our API and component solutions remain industry-leading. * Proven success in API/platform integration and technical go-to-market launches.
        Champion the developer experience for embedded finance integrations and ensure our API and component solutions remain industry-leading. * Proven success in API/platform integration and technical go-to-market launches.
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        Provide guidance to customers who are implementing solutions using the Sprinklr API. * Analyze backend code and API requests/responses. * Create API Extensions using 3rd party API endpoints to be consumed within Sprinklr workflows. * Proven track record with API-based integrations (REST, JSON, authentication flows such as OAuth 2.0).
        Provide guidance to customers who are implementing solutions using the Sprinklr API. * Analyze backend code and API requests/responses. * Create API Extensions using 3rd party API endpoints to be consumed within Sprinklr workflows. * Proven track record with API-based integrations (REST, JSON, authentication flows such as OAuth 2.0).
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        Join Our Journey in Transforming Data into Insights - At CluedIn, we're reshaping the future of data management with an Azure-native, graph-based Modern Master Data Management (MDM) platform that simplifies and accelerates how businesses manage their datamaking it faster, smarter, and more accessible. Trusted by global industry leaders, our technology enables organisations to unlock the full value of their data and drive meaningful transformation. As Microsoft's preferred MDM partner and the first solution integrated with Azure OpenAI, we're setting new standards for innovation in this space. Backed by five-star reviews on Gartner Peer Insights and seamless integration with Microsoft's data services, CluedIn delivers powerful, scalable solutions built for the enterprise. Our team's expertise, passion, and bold ideas drive our innovation.
        Join Our Journey in Transforming Data into Insights - At CluedIn, we're reshaping the future of data management with an Azure-native, graph-based Modern Master Data Management (MDM) platform that simplifies and accelerates how businesses manage their datamaking it faster, smarter, and more accessible. Trusted by global industry leaders, our technology enables organisations to unlock the full value of their data and drive meaningful transformation. As Microsoft's preferred MDM partner and the first solution integrated with Azure OpenAI, we're setting new standards for innovation in this space. Backed by five-star reviews on Gartner Peer Insights and seamless integration with Microsoft's data services, CluedIn delivers powerful, scalable solutions built for the enterprise. Our team's expertise, passion, and bold ideas drive our innovation.
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        Bango enables content providers to reach more paying customers through global partnerships. Today, the Digital Vending Machine is driving the rapid growth of the subscriptions economy, powering choice and control for subscribers. The worlds largest content providers, including Amazon, Google and Microsoft trust Bango technology to reach subscribers everywhere. Bango, where people subscribe. Role - Join Bangos Product Leadership Team as a Senior Product Manager, where you will shape the future of Digital Vending Machine the backbone of subscription bundling for global businesses. The Senior Product Manager is the path Product Managers take into Product leader roles, with exposure to executive planning and cross-org influence. This role blends strategic ownership with hands-on product discovery. Youll be part of one product team to work with directly and deliver impact
        Bango enables content providers to reach more paying customers through global partnerships. Today, the Digital Vending Machine is driving the rapid growth of the subscriptions economy, powering choice and control for subscribers. The worlds largest content providers, including Amazon, Google and Microsoft trust Bango technology to reach subscribers everywhere. Bango, where people subscribe. Role - Join Bangos Product Leadership Team as a Senior Product Manager, where you will shape the future of Digital Vending Machine the backbone of subscription bundling for global businesses. The Senior Product Manager is the path Product Managers take into Product leader roles, with exposure to executive planning and cross-org influence. This role blends strategic ownership with hands-on product discovery. Youll be part of one product team to work with directly and deliver impact
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        Location: Hybrid working or global position London / Berlin /Hamburg / Brussels / Milan - Type: Full-time | Senior Leadership - Reports to: CEO Designate - About Aspria - For over 25 years, the Aspria Group has been a leader in premium wellbeing, offering an exclusive collection of members' clubs and hotels across Europe. Through our luxury wellbeing brand, Aspria, and our exciting new family fitness brand, Aspresso, we enable our members to live well, find balance, and enjoy a sense of belonging. Our world-class health, fitness, and wellness experiences support this vision. About the Role - As Group IT Director, you will set the technology vision and strategy for Aspria, balancing commercial objectives, security standards, and operational efficiency. You will partner with the executive team to deliver cutting-edge solutions that support our ambition of being a premie
        Location: Hybrid working or global position London / Berlin /Hamburg / Brussels / Milan - Type: Full-time | Senior Leadership - Reports to: CEO Designate - About Aspria - For over 25 years, the Aspria Group has been a leader in premium wellbeing, offering an exclusive collection of members' clubs and hotels across Europe. Through our luxury wellbeing brand, Aspria, and our exciting new family fitness brand, Aspresso, we enable our members to live well, find balance, and enjoy a sense of belonging. Our world-class health, fitness, and wellness experiences support this vision. About the Role - As Group IT Director, you will set the technology vision and strategy for Aspria, balancing commercial objectives, security standards, and operational efficiency. You will partner with the executive team to deliver cutting-edge solutions that support our ambition of being a premie
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        Location - London - Employment Type - Full time - Department - Product R&D - About G2 - The Company - When you join G2, youre joining the team that helps businesses reach their peak potential by powering decisions and strategies with trusted insights from real software users. G2 is the world's largest and most trusted software marketplace. More than 100 million people annually including employees at all Fortune 500 companies use G2 to make smarter software decisions based on authentic peer reviews. Thousands of software and services companies of all sizes partner with G2 to build their reputation and grow their business including Salesforce, HubSpot, Zoom, and Adobe. To learn more about where you go for software, visit and follow us on LinkedIn. As we continue on our growth journey, we are striving to be the most trusted data source in the age of AI for informing soft
        Location - London - Employment Type - Full time - Department - Product R&D - About G2 - The Company - When you join G2, youre joining the team that helps businesses reach their peak potential by powering decisions and strategies with trusted insights from real software users. G2 is the world's largest and most trusted software marketplace. More than 100 million people annually including employees at all Fortune 500 companies use G2 to make smarter software decisions based on authentic peer reviews. Thousands of software and services companies of all sizes partner with G2 to build their reputation and grow their business including Salesforce, HubSpot, Zoom, and Adobe. To learn more about where you go for software, visit and follow us on LinkedIn. As we continue on our growth journey, we are striving to be the most trusted data source in the age of AI for informing soft
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        Company Overview - IMS is a leader in connected car and telematics services. We provide services and analytics to insurers, governments, and enterprises. We are proud to be the developer of the industry-acclaimed, cloud-based connected car platform. From insurers and governments to dealerships and everyday drivers, were proud to produce technology that makes driving - Safer. Smarter. Greener. Description - The Senior Data Scientist is responsible for developing and implementing advanced data science models, machine learning algorithms, and predictive analytics solutions to drive business insights, product innovation, and operational efficiencies at IMS. This role plays a critical part in enhancing telematics, mobility, and insurance technology solutions through data-driven decision-making, statistical analysis, and AI-driven automation.
        Company Overview - IMS is a leader in connected car and telematics services. We provide services and analytics to insurers, governments, and enterprises. We are proud to be the developer of the industry-acclaimed, cloud-based connected car platform. From insurers and governments to dealerships and everyday drivers, were proud to produce technology that makes driving - Safer. Smarter. Greener. Description - The Senior Data Scientist is responsible for developing and implementing advanced data science models, machine learning algorithms, and predictive analytics solutions to drive business insights, product innovation, and operational efficiencies at IMS. This role plays a critical part in enhancing telematics, mobility, and insurance technology solutions through data-driven decision-making, statistical analysis, and AI-driven automation.
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        Frequently Asked Questions

        How many contract API jobs are there in Mayfair?
        There are 20 contract API jobs within 20 miles of Mayfair available on CWJobs right now.

        Where in Mayfair are these contract jobs?
        You can find contract jobs in Southwark, The City, City (EC4), Frimley.

        What other similar jobs are there to contract API jobs in Mayfair?
        As well as contract API jobs in Mayfair, you can find contract Implementation, IT, Software Development, amongst many others.